package com.zhk.ScriptManagement.util;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

/**
 * @Author: zhouhongkun
 * @Description: md5加密
 * @Date: 2021/4/5 0:22
 */
public class MD5Util {
    public static String code(String str){
        try{
            MessageDigest md=MessageDigest.getInstance("MD5");
            md.update(str.getBytes());
            byte[] byteDigest = md.digest();
            int i;
            StringBuffer buf=new StringBuffer("");
            for (int offset = 0; offset < byteDigest.length ;offset++) {
                i=byteDigest[offset];
                if(i<0)
                    i+=256;
                if(i<16)
                    buf.append("0");
                buf.append(Integer.toHexString(i));
            }
            return buf.toString();
        }catch (NoSuchAlgorithmException e){
            e.printStackTrace();
            return null;
        }
    }

    public static void main(String[] args) {
        System.out.println(code("123"));
    }
}
